The correct answer among all the other choices is "upper class." In the late 1800s, the increase of service industry workers led to the rise of the upper class. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
Traditional: Based on traditions and customs Communist: Controlled by the government Socialist: Equal results for everyone Market: Based on demand and supply force
I'm not 100% sure if these are right but these are what I think they are.